Best 6.4 Powerstroke Upgrades – 2021 Complete Round-up

| Last Updated: December 24, 2021

Best of Diesel is reader-supported. When you buy through links on our site, we may earn an affiliate commission.

In this guide, we will discuss some modifications and upgrades you can make use of in order to get the maximum performance out of your 6.4 Powerstroke. Some basic upgrades to your vehicle include air intake, EGR delete kit, and exhaust. 

These upgrades are excellent ways of boosting your truck's power and reliability and modifying the system, allowing your vehicle to breathe easily and run efficiently. We have compiled a shortlist of the parts you should buy for upgrading a 6.4L Powerstroke engine in Ford diesel trucks. Read on below to find out more. 

Comparison Chart of the Best 6.4 Powerstroke Upgrades

  • Comes with built-in Wi-Fi that allows you to get quick device upgrades
  • Can hold up to ten custom tunes and keep your Ford running however you want
  • Takes your driving experience to new heights with better horsepower and torque
View Latest Price →
  • Options for 0-6" lift
  • Zinc coating resists corrosion
  • Significantly improves 'lean' when turning
View Latest Price →
  • S&B makes use of the ISO 5011 Test Standard that is accepted internationally
  • System has the ability to handle temperature up to 400 Fahrenheit without getting any damage
  • Best overall air intake system that makes use of premium silicon in air filters that do not crack after some time
View Latest Price →
  • Non-corrosive coating on it provides it with premium quality
  • New copper seals on this bolt ensure durability and tight-fitting
  • Diesel fuel banjo bolt helps in increasing the fuel flow considerably
View Latest Price →
  • Can fit into 2010 to 2008 Ford F350 and F250 6.4L turbo diesel
  • Runner-up upgrade and comes with easy fitting for your pickup truck
  • Made from aluminized steel, which ensures good durability and makes it long-lasting
View Latest Price →
  • Best for money since it comes with a gear reduction design
  • Has increased durability that makes it worth investing in for long term usage
  • Made in the USA and comes with a 1-year warranty, providing you with the peace of mind you need
View Latest Price →

How Can Upgrades Improve Your 6.4 Powerstroke?

When you plan on upgrading anything, it requires extensive research of the advantages this decision will bring to you. The same is the case with your 6.4 Powerstroke. When upgrading this, you need to keep in mind what will change and become more improved. Some advantages to upgrading include:

More Horsepower

Installing an air intake kit allows an increase in horsepower. This makes your vehicle run faster and more efficiently. It also helps in increasing the overall performance of your vehicle and ensures a better and more well-balanced driving experience. 

Increased Acceleration

Sometimes, cars tend to become slow after use for a couple of years, and if you upgrade them properly, you can get increased acceleration. This acceleration allows you to enjoy your car in a whole new way.

Better Gas Mileage

With the right kind of upgrade, you can even get better gas mileage since the right amount of oxygen will enter your engines, and the lack of excessive oxygen will increase the fuel level. This also provides you with an improvement in fuel economy and horsepower gains. 

Why Are These The Best Upgrades?

The products mentioned below have been carefully picked out from a long list of products present on the market. The reason behind these upgrades being the best of them all are:

Money’s Worth

Our hand-picked five products work exceptionally well and ensure that you get your money’s worth. They provide your car with a good upgrade and make sure you get higher horsepower and better torque. They also reduce your fuel consumption and ensure that you do not waste money. 

Good Reviews

The upgrades mentioned below have all received really good reviews and customer feedback to ensure that they are not a waste of your money. Due to these good reviews, you can view the pros and cons of the products easily and understand what is and what is not liked by consumers.


Durability is something essential to consumers when buying a new upgrade. If something has a weak life, it won’t last properly, and your money will go to waste. The products below are incredibly durable and have a long life. Some even come with a warranty, making it worth spending money on them. 

Review of the Best 6.4 Powerstroke Upgrades

In order to find the best 6.4L Powerstroke upgrades, you need to do a lot of research. It requires time and a lot of energy. To save your time and effort, we have compiled a list of the top five Powerstroke upgrades. You can read on below to find out which upgrade is worth your vehicle. 

Also, we have mentioned the pros and cons below to help you find the best, along with why it stands out too. 

Best Overall 6.4L Powerstroke Mod:
SCT 7015 X4 Power Flash Programmer


  • Provides users with great fuel economy
  • Features superchargers and nitrous oxide
  • Helps in improving the overall torque of the vehicle
  • Comes with good speed data monitoring capabilities
  • Increases the throttle response and horsepower of your car


  • Has a slightly cheap feel to it
  • Does not last for a long time period

What Recent Buyers Report

According to consumers of this product, the Power Flash Programmer provides you with pre-loaded power that is ideal for even average drivers. It not only provides you with good horsepower and torque but also helps in enhancing the entire mediocre driving experience.

Why it Stands Out to Us

This upgrade stands out to us because of the adjustable options it comes with that include altering the speed limiter, idle adjust, global spark, and the rev limiter. Also, the huge backlit display makes it easy for you to read the vehicle data in real-time.

Who Will Use This Most

This product is ideal for vehicle fanatics and beginners as well as professionals. It allows you to adjust vehicle settings easily. Also, the Wi-Fi capabilities embedded in the tuner make it easy for you to attach it to your local wireless network for easy device upgrades. It helps in increasing the fuel mileage, throttle response, and provides you with maximum horsepower and torque.

Bottom Line

This device comes with a guarantee to improve your car's horsepower, torque, and throttle response via PCM optimization. It also ensures maximum fuel economy and provides you with high-speed data monitoring for your ease. Also, the cloud-based tune delivery system makes restoration easy for you.

Best Intake:
 S&B Cold Air Intake System 08-10


  • Mounting hardware is included in this pack already
  • Improves the performance of the cold air intake efficiently
  • Has clear instruction, making it simple for beginners to fix it
  • Has a unified body that makes it easy to handle on your own
  • Has wider and deeper pleats present in this as compared to other models


  • Slightly more expensive than similar units
  • Unable to open the housing to increase the overall airflow

What Recent Buyers Report

People who bought this air intake system recently claim that it did not take a lot of time to install and is incredibly easy to do so as well. This makes it ideal for beginners to install it. Also, the quality of this product is incredibly good and provides your hot rod with a chance to breathe fresh air. It also looks good installed due to the stylish design it comes with.

Why it Stands Out to Us

This product stands out because of its unified design, which is an improvement as compared to the previous design. Since all the components in this are mixed together, there are fewer complications during the installation process, and even beginners can do it without any additional help. Another plus point is the premium silicon material used in this product. This ensures better durability and even makes it heat-resistant.

Who Will Use This Most

This product is suitable for people wanting to improve the effectiveness of their airflow system. It helps in lowering the temperature of air that passes the engine. Since it is easy to install, it is ideal for beginners, and its multi-layer filter allows easy screening of contaminants. Even though the price of this product is high, this kit performs exceptionally well.

Bottom Line

Overall, this filter multiplies the airflow and improves the intake to about 55%, which helps in boosting the overall performance of this engine. It also improves the response of the throttle, and the premium quality used in its production ensures that the finest dust particles get caught up before clogging the filters present inside the car.

Best for the Money:
 XDP Wrinkle Gear Reduction Starter XD256


  • Long one-year warranty ensures durability
  • Very efficient in increasing the horsepower
  • Has the ability to pull up to 500 amps easily
  • Even helps with providing you the maximum torque
  • Made in the USA which guarantees the premium quality of this product


  • Requires help installing it

What Recent Buyers Report

According to recent buyers, you can trust this product in order to get your Ford 6.4L Powerstroke working perfectly, even in extreme environments. This is a faster, relatively stronger, and also more durable starter than the one provided by the factory. It allows you to turn and control even aggressive engines easily.

Why it Stands Out to Us

This upgrade stands out due to its ability to work even in the harshest environments present. It is fast and incredibly strong, and the wrinkle black finish provides it with a classy look. The durability and long-lasting element of this starter kit ensure a good and smart investment.

Who Will Use This Most

This starter kit is ideal for beginners and professionals who want to re-vamp their cars. It provides them with more torque compared to that provided by the factory unit and reduces weight. However, beginners may need a hand in installing this item even though it comes with a ready to install design; some users did struggle with installation.

Bottom Line

The gear reduction design present on this upgrade ensures good torque with a small size. This helps with the reduction of weight and makes it compact for easy installation. The durable finish on this item makes it resistant to corrosion and gives it a classy look too. This is a good upgrade with a reasonable price point.

4. TamerX Diesel Fuel Banjo Bolt


  • Easy to install, even for beginners
  • Comes with very good quality and perfect fitting
  • Reasonable in price, making it easy for everyone to buy
  • Lasts for a long period of time due to the non-corrosive coating on it
  • Makes a big difference in the fuel pressure and makes it run smoothly


  • If not fixed properly, the bolt can break easily

What Recent Buyers Report

People who used this product claimed to love it and appreciate the inexpensive price tag it comes with. It provides you with the premium quality you need and also ensures easy installation for beginners. Since it can ensure better torque and horsepower, it is worth investing in.

Why it Stands Out to Us

This bolt stands out to us because of the non-corrosion coating it comes with that provides it with long durability. The teardrop shape design on this bolt ensures maximum fuel flow into the diesel fuel injectors. Replacing the banjo bolts present in your car already with this updated model will help in improving the overall performance of your engine and will take it to new heights, enhancing your driving experience.

Who Will Use This Most

These banjo bolts are ideal for use by beginners and professionals. It provides your car with optimum performance, and the copper seals present on it to protect it from corrosion, thus ensuring durability.

Bottom Line

This is a great upgrade for Ford Powerstroke 6.4L and 6.0L diesel engines. It allows you to upgrade the performance of your engine and makes it run smoothly for a long period of time. Its easy installation, teardrop design, and 12-month unlimited mileage make it a good investment to make.

5: Performance Race 4" DownPipe


  • Comes with a great sound
  • Made from aluminum to serve you for a long time
  • Provides you with more responsive throttle and power
  • Ensures fast delivery and fitting, making it ideal for beginners
  • Cutting the pipe is easy in order to provide it with a better fit


  • Clamps included are tricky to handle by beginners
  • Removing the old exhaust is difficult in the fitting process

What Recent Buyers Report

This product is loved by recent buyers since it ensures more power and more responsive throttle. It allows you to gain around 1-2 mpg, and since it is not hard to install, it is ideal for beginners. Even though it is loud at high RPMs, it is worth the money.

Why it Stands Out to Us

This 6.4L downpipe exhaust system responds very well to subtle airflow mods. It ensures a pusher intake system for 08-10 Fords and even replaces the factory cold-side intercooler pipe with an unobstructed diameter pipe and a smooth transitioning intake elbow. This component provides you with a 42% increase in the airflow rate.

Who Will Use This Most

This product is ideal for people who usually need to improve the fuel economy. This steel-constructed aluminized pipe helps in boosting torque and horsepower. It can be installed by common hand tools and requires no muffler in order to get it to the maximum performance. It is ideal for professionals and beginners both and fits Ford 08-10 easily.

Bottom Line

This is an ideal upgrade for your car and ensures that it performs exceptionally well. It enhances the horsepower and its performance capabilities along with the torque. Since it can be installed without professional help, beginners can buy it without any doubt or worry.

Why Do I Need to Know Before Buying Upgrades?

Before investing in your vehicle, there are a couple of things you should remember. These things include the following:

Does it Match?

This is a very obvious question to ask yourself, but the make and model of your vehicle may have special specifications. Before spending money on your modification products, it is essential to know if it fits your car. 

For example, with wheels, it is not about the diameter and the width; you should also be aware of the bolt pattern of your vehicles.

Can You Afford it?

This is also another obvious concern; many people get one upgrade and then end up spending more and more money on it. However, if you are upgrading your vehicle altogether, then it is a good idea to wait for your payday.

Can You Fit it on Your Own?

Getting modifications in your car and upgrading is incredibly fun and exciting, but you should know your skill level. If you cannot fit it yourself, then there is no shame in asking for professional help, which can cost some money. 


Finding the best upgrade for your car is a good thing to do. It helps in providing your car with an entirely new feel and ensures that you enjoy driving it. This guide will assist you in finding the best upgrade from the market, so make use of it and find the one that suits you the most.

People Also Ask

Even with all the information present above, there are some queries left unanswered. We’ve taken the liberty of answering some common questions so that you can get your confusion cleared. 

Is a 6.4 Powerstroke Common Rail?

Yes, unlike the 6.0 and 7.3 Powerstroke engines, the 6.4L comes with a common rail diesel engine. It is also hard to beat in stock form due to the compound turbos and big head bolts it comes with.

Is Ford 6.4 a Twin Turbo?

We can't exactly call them twin turbos; the latest 6.4L Powerstroke makes use of a series of sequential turbo system that is very impressive and effective. 

Sean comes from the forums actually and drives an OBS Ford. He writes fantastic DIYs and knows his way around a camera, too. We keep him caffeinated and away from DPF filters to avoid another rant about recent emissions restrictions.